Williamson Value property tax analysis

6136 Mantalcino Dr, Round Rock, TX 78665

2 bathrooms, 1,847 sqft, built 2016, in H121413C - Siena Appraised at $349,239 for 2026.

Williamson County account 352015

Appraised value
$349,239
Tax year 2026
Market value
$349,239
Living area
1,847 sqft
$189 per sqft
Year built
2016

Why this page matters for a protest

A strong tax protest page needs the county value, property facts, and enough context to compare this home with similar properties nearby. This page gives homeowners a starting point before reviewing comparable homes and prior-year changes.

The county value changed -3.8% from $362,999 in 2025 to $349,239 in 2026.